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Zero-shot detection (ZSD), i.e., detection on classes not seen during training, is essential for real world detection use-cases, but remains a difficult task. Recent research attempts ZSD with detection models that output embeddings instead…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Katharina Kornmeier , Ulla Scheler , Pascal Herrmann

The fusion of vision and language has brought about a transformative shift in computer vision through the emergence of Vision-Language Models (VLMs). However, the resource-intensive nature of existing VLMs poses a significant challenge. We…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jordan Shipard , Arnold Wiliem , Kien Nguyen Thanh , Wei Xiang , Clinton Fookes

Zero-shot anomaly detection (ZSAD) aims to identify anomalies in unseen categories by leveraging CLIP's zero-shot capabilities to match text prompts with visual features. A key challenge in ZSAD is learning general prompts stably and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Donghyeong Kim , Chaewon Park , Suhwan Cho , Hyeonjeong Lim , Minseok Kang , Jungho Lee , Sangyoun Lee

Adopting contrastive image-text pretrained models like CLIP towards video classification has gained attention due to its cost-effectiveness and competitive performance. However, recent works in this area face a trade-off. Finetuning the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Syed Talal Wasim , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

This work introduces CLIP-aware Domain-Adaptive Super-Resolution (CDASR), a novel framework that addresses the critical challenge of domain generalization in single image super-resolution. By leveraging the semantic capabilities of CLIP…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Zhengyang Lu , Qian Xia , Weifan Wang , Feng Wang

Large vision-language representation learning models like CLIP have demonstrated impressive performance for zero-shot transfer to downstream tasks while largely benefiting from inter-modal (image-text) alignment via contrastive objectives.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Muhammad Waleed Gondal , Jochen Gast , Inigo Alonso Ruiz , Richard Droste , Tommaso Macri , Suren Kumar , Luitpold Staudigl

Zero-shot skeleton-based action recognition aims to recognize actions of unseen categories after training on data of seen categories. The key is to build the connection between visual and semantic space from seen to unseen classes. Previous…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yujie Zhou , Wenwen Qiang , Anyi Rao , Ning Lin , Bing Su , Jiaqi Wang

Vision-Language Models (VLMs) have demonstrated impressive capabilities in zero-shot action recognition by learning to associate video embeddings with class embeddings. However, a significant challenge arises when relying solely on action…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yehna Kim , Young-Eun Kim , Seong-Whan Lee

Learning from large-scale contrastive language-image pre-training like CLIP has shown remarkable success in a wide range of downstream tasks recently, but it is still under-explored on the challenging few-shot action recognition (FSAR)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xiang Wang , Shiwei Zhang , Jun Cen , Changxin Gao , Yingya Zhang , Deli Zhao , Nong Sang

Temporal action detection (TAD) involves the localization and classification of action instances within untrimmed videos. While standard TAD follows fully supervised learning with closed-set setting on large training data, recent zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Thinh Phan , Khoa Vo , Duy Le , Gianfranco Doretto , Donald Adjeroh , Ngan Le

Audio-visual zero-shot learning (ZSL) has been extensively researched for its capability to classify video data from unseen classes during training. Nevertheless, current methodologies often struggle with background scene biases and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Wenrui Li , Penghong Wang , Xingtao Wang , Wangmeng Zuo , Xiaopeng Fan , Yonghong Tian

Skeleton-based zero-shot action recognition aims to recognize unknown human actions based on the learned priors of the known skeleton-based actions and a semantic descriptor space shared by both known and unknown categories. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yang Chen , Jingcai Guo , Tian He , Ling Wang

The goal of spatial-temporal action detection is to determine the time and place where each person's action occurs in a video and classify the corresponding action category. Most of the existing methods adopt fully-supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Wei-Jhe Huang , Jheng-Hsien Yeh , Min-Hung Chen , Gueter Josmy Faure , Shang-Hong Lai

CLIP has demonstrated strong generalization in visual domains through natural language supervision, even for video action recognition. However, most existing approaches that adapt CLIP for action recognition have primarily focused on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Hyo Jin Jon , Longbin Jin , Eun Yi Kim

Interstitial lung diseases (ILD) present diagnostic challenges due to their varied manifestations and overlapping imaging features. To address this, we propose a machine learning approach that utilizes CLIP, a multimodal (image and text)…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Cara Van Uden , Christian Bluethgen , Maayane Attias , Malgorzata Polacin , Haiwei Henry Guo , Neha Simha , Rishi Raj , Curtis Langlotz

Contrastive Language-Image Pre-training (CLIP) has been shown to learn visual representations with great transferability, which achieves promising accuracy for zero-shot classification. To further improve its downstream performance,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Ziyu Guo , Renrui Zhang , Longtian Qiu , Xianzheng Ma , Xupeng Miao , Xuming He , Bin Cui

We present SLIP (SAM+CLIP), an enhanced architecture for zero-shot object segmentation. SLIP combines the Segment Anything Model (SAM) \cite{kirillov2023segment} with the Contrastive Language-Image Pretraining (CLIP)…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Saaketh Koundinya Gundavarapu , Arushi Arora , Shreya Agarwal

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

Contrastive learning has been successfully leveraged to learn action representations for addressing the problem of semi-supervised skeleton-based action recognition. However, most contrastive learning-based methods only contrast global…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Binqian Xu , Xiangbo Shu

Pre-trained vision-language models, e.g., CLIP, have been successfully applied to zero-shot semantic segmentation. Existing CLIP-based approaches primarily utilize visual features from the last layer to align with text embeddings, while…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Yunheng Li , ZhongYu Li , Quansheng Zeng , Qibin Hou , Ming-Ming Cheng